.spin-draw-article{
    .exp{
        position: relative;
        display: flex;
        justify-content: center;
        align-items: center;
        margin: 15px 0;
        >canvas:nth-child(2){
            position: absolute;
            top: 50%;
            left: 50%;
            margin-left: -79px;
            margin-top: -105px;
        }
    }
}

@media screen and (max-width: 750px) {
    .spin-draw-article{
        .exp{
            >canvas:nth-child(1){
                width: 331px;
                height: 332px;
            }
            >canvas:nth-child(2){
                width: 79px;
                height: 105px;
                margin-left: -39px;
                margin-top: -53px;
            }
        }
    }
}